Review an agent's harness (scaffold) for quality, token efficiency, and correctness. Based on harness engineering research.
Install
npx skills add naman10parikh/agentgrid --skill harness-reviewnpx skills add naman10parikh/agentgrid --skill harness-review -a claude-code -gnpx skills add naman10parikh/agentgrid --skill harness-review -a codex -ggemini skills install https://github.com/naman10parikh/agentgrid.git --path .claude/skills/harness-reviewgh skill install naman10parikh/agentgrid harness-reviewgit clone --depth 1 https://github.com/naman10parikh/agentgrid /tmp/naman10parikh__agentgrid
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/naman10parikh__agentgrid/.claude/skills/harness-review ~/.claude/skills/harness-review # Claude Code
cp -R /tmp/naman10parikh__agentgrid/.claude/skills/harness-review ~/.agents/skills/harness-review # Codex, Cursor, Gemini CLI, Copilot, OpenCode